66417980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{11491}}^1$

素因数の和:11534

約数の個数: 36

約数和(自身を含む): 148177848

約数和(自身を除く): 81759868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 11491, 22982, 45964, 57455, 114910, 195347, 229820, 390694, 781388, 976735, 1953470, 3320899, 3906940, 6641798, 13283596, 16604495, 33208990, 66417980]

約数ペア:

[(1, 66417980), (2, 33208990), (4, 16604495), (5, 13283596), (10, 6641798), (17, 3906940), (20, 3320899), (34, 1953470), (68, 976735), (85, 781388), (170, 390694), (289, 229820), (340, 195347), (578, 114910), (1156, 57455), (1445, 45964), (2890, 22982), (5780, 11491)]